What makes Dr. Stein by Helloween notable?

'Dr. Stein' gained significant traction in Europe, reaching number 15 on the German charts and helping to propel Helloween into international recognition. The title track became a staple of the band's live performances and contributed to their influence on subsequent power metal acts throughout the late '80s and beyond. Released on September 21, 1988, 'Dr. Stein' marked Helloween's third studio album and solidified their position in the burgeoning power metal scene. This album followed their influential release 'Keeper of the Seven Keys Part I', which had established them as pioneers of the genre, setting the stage for their continued success.